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- 1同一圆内,圆的周长与直径的比值是_.
- 2因式分解:(a^2+b^2-1)^2-4a^2b^2怎么做?
- 3求助英语翻译“thank you for your help on this Tom."在这句里,on this Tom是属于哪种用法?
- 4一物体做匀加速直线运动,初速度为2m/s,加速度为0.6m/s²,则物体在运动过程前10s内
- 5煤炭燃烧后变成煤灰 是否可以用质量受恒定律解释
- 6What heavy rain it was last night(保持原意)()()()()last night
- 7某学生语文、数学、英语三科的平均成绩是93分,其中语文、数学平均成绩90分,语文、英语平均成绩93.5分,则该生语文成绩是多少?
- 8Do you have a toy?
- 9DO they go to the park on Sundays
- 10_________ an important decision more on emotion than on reason,you will regret sooner or later.